1 // SPDX-License-Identifier: GPL-2.0 2 3 #include <stdint.h> 4 #include <time.h> 5 #include <sched.h> 6 7 /* 8 * '18446744073709551615\0' 9 */ 10 #define BUFF_U64_STR_SIZE 24 11 #define MAX_PATH 1024 12 13 #define container_of(ptr, type, member)({ \ 14 const typeof(((type *)0)->member) *__mptr = (ptr); \ 15 (type *)((char *)__mptr - offsetof(type, member)) ; }) 16 17 extern int config_debug; 18 void debug_msg(const char *fmt, ...); 19 void err_msg(const char *fmt, ...); 20 21 long parse_seconds_duration(char *val); 22 void get_duration(time_t start_time, char *output, int output_size); 23 24 int parse_cpu_list(char *cpu_list, char **monitored_cpus); 25 long long get_llong_from_str(char *start); 26 27 static inline void 28 update_min(unsigned long long *a, unsigned long long *b) 29 { 30 if (*a > *b) 31 *a = *b; 32 } 33 34 static inline void 35 update_max(unsigned long long *a, unsigned long long *b) 36 { 37 if (*a < *b) 38 *a = *b; 39 } 40 41 static inline void 42 update_sum(unsigned long long *a, unsigned long long *b) 43 { 44 *a += *b; 45 } 46 47 struct sched_attr { 48 uint32_t size; 49 uint32_t sched_policy; 50 uint64_t sched_flags; 51 int32_t sched_nice; 52 uint32_t sched_priority; 53 uint64_t sched_runtime; 54 uint64_t sched_deadline; 55 uint64_t sched_period; 56 }; 57 58 int parse_prio(char *arg, struct sched_attr *sched_param); 59 int parse_cpu_set(char *cpu_list, cpu_set_t *set); 60 int __set_sched_attr(int pid, struct sched_attr *attr); 61 int set_comm_sched_attr(const char *comm_prefix, struct sched_attr *attr); 62 int set_comm_cgroup(const char *comm_prefix, const char *cgroup); 63 int set_pid_cgroup(pid_t pid, const char *cgroup); 64 int set_cpu_dma_latency(int32_t latency); 65 int auto_house_keeping(cpu_set_t *monitored_cpus); 66 67 #define ns_to_usf(x) (((double)x/1000)) 68 #define ns_to_per(total, part) ((part * 100) / (double)total) 69